Stoker construction



mvsNTon ArrorRNEns R. L. BEERS imm- STOKER CONSTRUCTION Original Filed Oct. 10, 1932 -9-... d... i Y

No v. 12, 1935.

Patented Nov. 12, 1935 t UNITED STATES .PATENT OFFICE STOKER CON STRUCTION Royce L. Beers, Detroit, Mich., assignor to Detroit Stoker Company, Detroit, Mich., a. corporation of Michigan A original annotation oetober 1o, 1932,v serial No.

637,187. Divided and this application April 3, 1934, Serial N0.-718,835

18'Cl8ims- (Cl. 198-1228) This invention Yrelates generally to stokers' of V is a hopper for green fuel mounted upon the the sprinkler type -and constitutes a division of plates F,'G, H and I; W is a distributor plate exmy application, Serial No. 637,187, led October( tending beneath the lower open end 5 of the 10, 1932. l e i hopper and over the upper edge 6 of the housing 5 One of the.. essential objects of the invention. plate U, and X is a reciprocating feed plate or 5 fuel will be effeced.

Another objeot is to provide a Stoker wherein shaft s carried by the -side plates F and G. 'A means is provided for regulating the distribution screw I Il journaled in the cover plate J and operupon the fuel throwing means of the fueli'fro'm able by a knob I I is preferably used to adjust 5 thel hopper. l

Other objects, advantages and novel details of on the pinions 8 and onthe edge 6 of the rotor construo'ion of this invention will be made more housing plate U .relative to the rotor drum R.

when considered in connection with the accomthe green fuel fed by the ram X may be readily i Danyng drawing, wherein: regulated as desired. As a result the fuel falling 20 Figure 1` is a-fragmentary front elevation of a from the forward end of the plate W may be stoker embodying my invention; I thrown by the blades S on the drum to any part Figure 2 is a vertical sectional view taken subof the furnace from front to rear thereof as destantially on the line 2 2 of Figure 1; v s

Figures l3 and 4 are diagrammatic views showwardly so that its rear edge I2 is' close .to the 2li ingV the extreme positions of the distributor plate: edge 6 of the housing plate U, then the fuel fall- Figure-5 iS @perspective -view of one of the ing from the plate W will be struck an upward blades used on the lrotor drum for throwing the blow. by thex blades S and will be projected or fuelthrdwn to the rear of the furnace. I f., however,

Referring HOW to the drawing wherein I 'have the plate W is moved rearwardly so that its rear 30 illustrated 011e embodiment 0f my inventiol, A edge I2 is above thecshaft M `then the fuel fallis-a front plate adapted to be secured upon-the ing from the plate will be struck a downward front wall B of a' furnace and'having a substanblow and will be thrown to the front of theK tally rectangular Opening l through Which the furnace. Intermediate adjustments of the plate green fuel may be fed irito the furnace: and C willlcause the trajectory of the fuel to be varied 35 is a substantially rectangular base plate upon the accdrdingly, In t 's connection it will be noted outer side` of the front plate and having a subthat each blade SA is corrugated and is provided stantally rectangular opening 2 registering with with a wavy edge S. As aresult the fuel from the opening l. D are the apron tuyres. extendthe plate w will be thrown by each blade s to an ing downwardly and rearwardly from the lower exteme point` and to an intermediate point and 40 edge of the opening-2 in the base plate, and E- will be scattered laterally or sideways within the is the aprwsupportins plate F arid G respecfurnace. :m practice it has been found that the tively are the Side Plates Secured t0 and DI'OJ'eeJ'- rounded portions I3 of the blades will hit the fuel I5 extend at substantially right angles to the extending upwardly and inwardly from the fea! substantially at attaching portion I6 of each 31'055 Plate-I t0 the upper edge 0f the Opening blade and deflect thefuel laterally or sideways so 50 that it will be scattered fan-like within the M iS a Shaft Carried by the Side plates F and furnace. Thus, an extremely eilcient distribu- 3 just in rear 0f the base plaie C- R is e rotor, tlon of the fuel will be obtained. Preferably the' mm1 0U the Shaft M and S are blades Xed t0- fiat attaching portion I6 of each blade is proaid drum. T iS a pan projecting'V forwardly from vided at opposite longitudinal edges thereof with 55 he base plate C at the lower edge 0f the opening longitudinally extending relatively narrow flanges l and having a; curved bottom 4 substantially co- I1 and I8 respectively which have transversely xial with the drum R, and U is a curved plate curved faces lI9 and 20 conforming in curvature ecured upon and cooperating with the pan T to .to and held by bolts 2| and nuts 22 against the arm a housing for the rotor, 4periphery of the drum R. 00

' secured to said drum, and an elongated fuel projecting portion extending longitudinally of said attaching portion, said projecting portion being corrugated with the corrugations thereof extending substantially at right angles to the attaching portion, whereby fuel may be projected by said corrugations to opposite sides of a furnace.

2. In a stoker, a fuel feeding means including a rotary drum, and a blade having an elongated Iattaching portion extending longitudinally 'of and secured to said drum, and an elongated fuel projecting portion extending longitudinally of said attaching portion, said projecting portion being corrugated and having a wavy longitudinal free edge portion.

3. In a stoker, a fuel feeding means including a rotary drum, and a blade having an attaching portion secured to said drum, and an elongated relatively narrow fuel projecting portion carried by the attaching portion and extending longitudinally of the drum, said projecting portion being corrugated with, 'the corrugations thereof extending substantially at right angles tothe longitudinal median line ofsaid projecting portion, and the longitudinal free edge of said projecting portion being wavy. l

4. In a stoker, a fuel feeding means including a rotary drum, and a blade having a substantially flat attaching portion extending longitudinally of.and securedto the periphery of said drum,

and an elongated relatively narrow fuel projecting portionl'e'xtending longitudinally of and disposed at substantially right angles to said attaching portion, said projecting portion being corrugated and having a wavy. longitudinal free edge.

5.'I.n a stoker, a fuel feeding means including a rotary drum, and a blade having a substantially flat elongated attaching portion extending longitudinally of and secured to the periphery of said drum, and an elongated relatively narrow fuel projecting portion extending longitudinally of and disposed at substantially right angles o said attaching portion, said projecting portion eing corrugated and having a wavy. longitudinal free edge. v

6. In a stoker, a fuelfeeding means including, a rotary drum, andya blade having an elongated attaching portion extending longitudinally of the periphery of said drum, the attaching portion being substantially flat and provided at its opposite longitudinal edges with longitudinally extending flanges having curved faces conforming to and engaging the periphery of said drum, and means securing the attaching portion to said drum. -'l. In a stoker, a fuel feeding means including a rotatable hollow drum, and a blade having an elongated attaching portion extending longitudinally of the periphery of said drum, said attaching portion being substantially flat and having projections provided with curved faces thatconform to and engage the periphery of said drum,

i and means securing the attaching portion to said drum including elements anchored within the hollowvof said drum and extending through said attaching portion.

8. In a stoker, a fuel feeding means including a rotary drum, and ablade having an attaching portion secured to said drum, and elongated fuel vprojecting portion, said projecting portion being corrugated with the corrugations thereof /extending substantially at right angles to the attaching portion, and having a wavy longitudinal free edge. f 4 l 9. In a stokera fuel feeding means including a rotary drum, and a blade having an elongated attaching portion extending longitudinallykof and securedI to the periphery of said drum, the attaching portion being substantially flat and having transversely spaced longitudinally extending fianges conforming to and engaging the periphery of said 10. In-a stoker, a fuel feeding means including a rotary drum, and a bla'ie having an attaching portionsecured to 'said drum, and an elongated 'fuel projecting portion disposed at substantially right angles to the attaching portion, said projecting portion being corrugated and havinga 20 wavy longitudinal free edge. i i

1l. In a stoker, a'. fuel feeding means including arotary drum, and a bladehaving an attaching portion secured to said drum, and a fuel projedting portion, said projecting portion being corrugated with the corrugations thereof extending substantially at right angles to said attaching portion. l

l2. In a stoker, a fuel feedingrneans including a rotary drum, and a blade having an attaching portion secured to said drum, and a fuel projecting portion disposed at substantially right angles to the attaching portion and having a wavy longitudinal free edge. Y 'y A 13. In a stoker, a fuel feeding means including a rotary drum, and a blade having an attaching portion secured to said drum, and a' corrugated fuel projecting portion disposed at substantially right angles to the, attaching portion.

' 14. In a stoker, a fuel feeding means including 4Q a rotary drum, and ablade having an attaching portion secured to said drum, and a fuel projecting portion disposed at substantially right angles to the attaching portion, said projecting portion being corrugated with'the corrugations thereof 45 extending at substantially right angles to the attaching portion.

15. In a stoker, a fuel feeding means including a rotary drum, and a blade having an attaching portion secured to said drum, and a corugated-'50 fuel projecting portion, said projecting portion L extending at substantially right angles to the attaching portion and having a wavy free edge.

16. In a stoker, a fuel feeding means including a rotary drum, and a blade rigid with the drum, said blade havinga,corrugated radially extending fuel projecting portion provided with 'a wavy free edge.

17. In a stoker, a fuel feeding means including a rotary drum, and a blade having a'. portion 60 rigid with the drum, and having a fuel project- -ing portion disposed at substantially right angles` to theportion aforesaid and provided with a wavy ,free edge.

18. In a stoker, a fuel feeding means including ar rotary drum, and a blade having'a portion rigid with the drum and having a fuel projecting portion, said projecting portion being corrugated with the corrugations thereof extending substantially at right angles to the portion aforesaid of 7o said blade.

aovon L; nanas. 

